12424112042 has 4 divisors (see below), whose sum is σ = 18636168066. Its totient is φ = 6212056020.

The previous prime is 12424112033. The next prime is 12424112047. The reversal of 12424112042 is 24021142421.

12424112042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24021142421 = 3691 ⋅6508031.

It can be written as a sum of positive squares in only one way, i.e., 8257538641 + 4166573401 = 90871^2 + 64549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12424111999 and 12424112017.

It is not an unprimeable number, because it can be changed into a prime (12424112047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106028009 + ... + 3106028012.

Almost surely, 2^12424112042 is an apocalyptic number.

12424112042 is a deficient number, since it is larger than the sum of its proper divisors (6212056024).

12424112042 is an equidigital number, since it uses as much as digits as its factorization.

12424112042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212056023.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12424112042 its reverse (24021142421), we get a palindrome (36445254463).

The spelling of 12424112042 in words is "twelve billion, four hundred twenty-four million, one hundred twelve thousand, forty-two".